| 摘要 |
PURPOSE: A device for processing boil-off gas is provided to save cost for processing boil-off gas since the energy consumption to heat the boil-off gas is reduced. CONSTITUTION: A device(100) for processing boil-off gas comprises an exhaust line(110), an energy separation unit(120), a fuel-gas supply unit(130) and a combustion-gas supply unit(140). The exhaust line forms a route, through which boil-off gas is discharged from an LNG storage tank(1). The energy separation unit divides the boil-off gas from the exhaust line into a high temperature of boil-off gas and a low temperature of boil-off gas. The fuel-gas supply unit supplies the low temperature of boil-off gas from the energy separation unit to a propeller(210). The combustion-gas supply unit supplies the high temperature of boil-off gas from the energy separation unit to a combustor(220). The energy separation unit comprises a compressor(121) and a vortex tube(122).
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